What should I change?

[Breno2500]

3x  {Geist of Saint Traft}  2x {Snapcaster Mage} 1x  {Restoration Angel} 1x  {Thundermaw Hellkite} 3x  {Blade Splicer} 4x  {Lightning Bolt} 3x  {Lightning Helix} 3x  {Izzet Charm} 2x  {Electrolyze} 3x  {Spell Pierce} 3x  {Mana Leak} 3x  {Serum Visions} 2x  {Detention Sphere} 1x  {Sword of Feast and Famine} 2x  {Ajani Vengeant} 2x  {Moorland Haunt} 2x  {Celestial Colonnade} 4x  {Hallowed Fountain} 3x  {Steam Vents} 2x  {Sacred Foundry} 2x  {Glacial Fortress} 3x  {Plains} 3x  {Island} 3x  {Mountain}

[Weldrodson]

I would try to get out all the basic lands

[Breno2500]

I want to but it makes me less vunerable to blood moons